How to delete the number in Apple Phone Book?

How to delete contacts in the address book by iphone:

First, use the computer iTools application to delete:

1, open the mobile phone iTools (Application Rabbit) application, and connect the computer with the data cable;

2. Open the computer iTools application and select the "Information" option at the top. At this time, the "Address Book" option on the left is selected by default, then check the "small box" on the left of "Name", click the "Delete" option, and select "Yes" in the pop-up dialog box to delete all contacts on the iphone.

Secondly, use 360 mobile guards to delete:

1. Download and open 360 Mobile Guardian, click Address Book Optimization, click Login, log in to 360 account, click Backup Address Book, you can back up your mobile phone address book, press Settings in the upper right corner, select Clear Address Book, and press OK to delete all contacts in the address book.

2. Open 360 Mobile Guard, click "Address Book Optimization", click "Login" to log in to 360 account, click "Restore Address Book", select the backup history of address book, select "Restore to Local Address Book" and press "OK" to restore the address book to the mobile phone.